Amazon.com : SubstrateSource Natural Cholla Wood Logs - Driftwood for Aquariums, Fish Tanks, Shrimp, Hermit Crabs, Reptiles - 4 and 6 Inch Pieces (4 Inch (3 Pack)) : Pet Supplies
Using cholla wood in a shrimp tank - The Shrimp Farm
Cholla Wood - 10 pieces 6" Wood for Freshwater Shrimp, ALL Aquariums & Terrariums. Extra Tourmaline Mineral Supplement Balls Included - Walmart.com
Amazon.com : SunGrow Cholla Wood for Shrimps, Dried Husk of Cholla Cactus, Aquarium or Home Decor for Hermit Crabs, Pleco, 3 Pieces per Pack : Pet Supplies